not able to read sd card while connected to external drivers

bdurbrow / grbl-Mega

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on an Arduino Mega2560

https://github.com/gnea/grbl/wiki

MIT License

35 stars 8 forks source link

not able to read sd card while connected to external drivers #42

Open Ams-Laser opened 2 years ago

Ams-Laser commented 2 years ago

Hello, im sure this is a electrical noise problem, but, does any one here know how to solve it ? the only problem is while external motor drivers are connected and powered up im not able to read the sd card if i disconect power to all external devices the card reads ok Thanks Ed